Battery Adapter Step-down Transformer: Input Voltage: DC 18V-20V; Output Voltage: DC 12V; Output Current: 20A Max; Output Power 240W Max. Built-in over and under voltage protection, automatically shuts down if the battery voltage is lower than 14.4V, protecting your battery and 12V devices. Compatibility: Perfectly compatible with 18V lithium batteries, works with 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, 48-11-1815 etc. Our battery adapter connector is well-designed, fits tightly to your battery, easy to install and remove. Better: Voltage regulator built-in smart chip, has over current, over voltage, under voltage, overload, low load, short circuit, overheating, multiple intelligent protections, protecting your devices from excessive damage. The battery adapter also added fuse holder and 30A fuse ensure you can use it safely. Easy to use: We combine the battery adapter and voltage converter with 2 heating wires and fuse holder, easier to use, just install the battery on the battery adapter and then connect the voltage converter to your device. (Note: Battery NOT included) Wide range of applications: This converter is suitable for various 12V devices, perfect for upgrading power tools, ride-on toys, golf carts, trucks, speakers, surveillance equipment, LED strip light, work light or robotics DIY etc. Step-down transformer: Input voltage: DC 18V-20V; Output voltage: DC 12V; Output current: 20A Max; Output power 240W Max. Built-in over and low voltage protection, automatically shuts down if battery voltage is lower than 14.4V, protects your battery and 12V devices Compatibility: Perfectly compatible with 18V lithium batteries, works with 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, 48-11-1815 etc. Our battery adapter connector is well-designed, fits tightly to your battery, easy to install and remove Better: Voltage regulator built-in smart chip, has overcurrent, overvoltage, undervoltage, overload, low load, short circuit, overheating, multiple intelligent protections, protects your devices from excessive damage. The battery adapter also added fuse holder and 30A fuse ensures you can use it safely Easy to use: We combine the battery adapter and voltage converter with 2 heating wires and fuse holder, easier to use, just install the battery on the battery adapter and then connect the voltage converter to your device. (Note: Battery NOT included) Wide range of applications: This converter is suitable for various 12V devices, perfect for upgrading power tools, ride-on toys, golf carts, trucks, speakers, surveillance equipment, LED strip lights, work lights or robotics DIY etc. Color: red Material: plastic Package Contents: 1 x Converter 1 Wheel Battery Adapter 1 x Terminal 3 x 30A Fuse The above package contents only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.